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add a rustbuild cargo feature for integration with rust-lang/rust

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This commit is contained in:
Jorge Aparicio 2016-10-10 16:18:18 -05:00
parent 0537fcfd76
commit 8692e64db9
1 changed files with 8 additions and 1 deletions
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9
library/compiler-builtins/build.rs
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@ -407,8 +407,15 @@ fn main() {
sources.remove(&["aeabi_cdcmp", "aeabi_cfcmp"]);
}
let root = if env::var_os("CARGO_FEATURE_RUSTBUILD").is_some() {
Path::new("../../libcompiler_builtins")
} else {
Path::new(".")
};
let src_dir = root.join("compiler-rt/compiler-rt-cdylib/compiler-rt/lib/builtins");
for src in sources.map.values() {
let src = Path::new("compiler-rt/compiler-rt-cdylib/compiler-rt/lib/builtins").join(src);
let src = src_dir.join(src);
cfg.file(&src);
println!("cargo:rerun-if-changed={}", src.display());
}